RY3750

@@ -8,11 +8,11 @@ RY3750 from RYCHIP, in a SOT-23-5. Pinout and pin descriptions extracted from th  | Pin | Name | Type | Function | |---|---|---|---|-| 1 | LX | output | Power switch output. Drain of the internal N-channel MOSFET switch. Connect the boost inductor and the anode of the output Schottky rectifier here. LX can swing between GND and 30V (absolute max VSW = -0.3V to 30V). |-| 2 | GND | power_in | Ground pin. Return for the internal MOSFET switch and control logic. Connect to a strong ground plane for heat sinking and noise protection. |-| 3 | FB | input | Feedback input. Regulates to VFB = 1.23V (typ, 1.21V-1.25V). Connect an external R1/R2 resistor divider from VOUT to set the output voltage: VOUT = VFB * (1 + R1/R2). FB input bias current is -50nA to -10nA. |-| 4 | EN | input | Regulator on/off control input. VEN threshold ~1V; a high input enables the converter, a low input shuts it down (IIN ~0.1uA at VEN=0V). Absolute max 6V. Tie to VIN for automatic startup when not otherwise used. |-| 5 | IN | power_in | Input supply pin. Operating range 2.5V to 5.5V; absolute max 6V. Must be locally bypassed with a low-ESR ceramic capacitor (22uF X5R/X7R recommended) placed close to the IC. |+| 1 | LX | output | Power switch output. Drain of the internal N-channel MOSFET switch; connect the boost inductor and Schottky rectifier here. Node swings between GND and up to 30V at 1.2MHz. |+| 2 | GND | power_in | Device ground return. Tie to a solid ground plane for heat sinking and noise protection. |+| 3 | FB | input | Feedback input for the output voltage regulation loop. Internal reference is 1.23V (typical); set VOUT with an external resistor divider from VOUT to FB to GND. FB bias current is -50 to -10 nA. |+| 4 | EN | input | Regulator on/off enable input. Logic high (>~1V) turns the converter on; logic low turns it off (shutdown IIN ~0.1 uA). Tie to VIN for automatic startup when not used. Absolute max 6V. |+| 5 | IN | power_in | Input supply pin, 2.5V to 5.5V operating (abs max 6V). Must be locally bypassed with a low-ESR ceramic capacitor (22uF recommended, X5R/X7R). |  ## Key specifications 

@@ -32,31 +32,31 @@         "number": "1",         "name": "LX",         "type": "output",-        "description": "Power switch output. Drain of the internal N-channel MOSFET switch. Connect the boost inductor and the anode of the output Schottky rectifier here. LX can swing between GND and 30V (absolute max VSW = -0.3V to 30V)."+        "description": "Power switch output. Drain of the internal N-channel MOSFET switch; connect the boost inductor and Schottky rectifier here. Node swings between GND and up to 30V at 1.2MHz."       },       {         "number": "2",         "name": "GND",         "type": "power_in",-        "description": "Ground pin. Return for the internal MOSFET switch and control logic. Connect to a strong ground plane for heat sinking and noise protection."+        "description": "Device ground return. Tie to a solid ground plane for heat sinking and noise protection."       },       {         "number": "3",         "name": "FB",         "type": "input",-        "description": "Feedback input. Regulates to VFB = 1.23V (typ, 1.21V-1.25V). Connect an external R1/R2 resistor divider from VOUT to set the output voltage: VOUT = VFB * (1 + R1/R2). FB input bias current is -50nA to -10nA."+        "description": "Feedback input for the output voltage regulation loop. Internal reference is 1.23V (typical); set VOUT with an external resistor divider from VOUT to FB to GND. FB bias current is -50 to -10 nA."       },       {         "number": "4",         "name": "EN",         "type": "input",-        "description": "Regulator on/off control input. VEN threshold ~1V; a high input enables the converter, a low input shuts it down (IIN ~0.1uA at VEN=0V). Absolute max 6V. Tie to VIN for automatic startup when not otherwise used."+        "description": "Regulator on/off enable input. Logic high (>~1V) turns the converter on; logic low turns it off (shutdown IIN ~0.1 uA). Tie to VIN for automatic startup when not used. Absolute max 6V."       },       {         "number": "5",         "name": "IN",         "type": "power_in",-        "description": "Input supply pin. Operating range 2.5V to 5.5V; absolute max 6V. Must be locally bypassed with a low-ESR ceramic capacitor (22uF X5R/X7R recommended) placed close to the IC."+        "description": "Input supply pin, 2.5V to 5.5V operating (abs max 6V). Must be locally bypassed with a low-ESR ceramic capacitor (22uF recommended, X5R/X7R)."       }     ],     "provenance": {@@ -120,8 +120,5 @@     "docs/ry3750-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": {-    "public": true-  }+  ] }\ No newline at end of file

@@ -50,7 +50,7 @@ <layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/> </layers> <library>-<description></description>+<description>RYCHIP DC-DC Converters, SOT-23-5</description> <packages> <package name="SOT-23-5">   <description>5 pads, 3.6 x 2.5 mm. SOT, 5 Pin</description>@@ -84,6 +84,7 @@ </packages> <symbols> <symbol name="RY3750">+  <description>RYCHIP DC-DC Converters, SOT-23-5</description>   <wire x1="-12.7" y1="5.08" x2="12.7" y2="5.08" width="0.254" layer="94"/>   <wire x1="12.7" y1="5.08" x2="12.7" y2="-5.08" width="0.254" layer="94"/>   <wire x1="12.7" y1="-5.08" x2="-12.7" y2="-5.08" width="0.254" layer="94"/>@@ -99,7 +100,7 @@ </symbols> <devicesets> <deviceset name="RY3750" prefix="U">-  <description></description>+  <description>RYCHIP DC-DC Converters, SOT-23-5</description>   <gates>     <gate name="G$1" symbol="RY3750" x="0" y="0"/>   </gates>@@ -112,7 +113,12 @@         <connect gate="G$1" pin="IN" pad="5"/>         <connect gate="G$1" pin="EN" pad="4"/>       </connects>-      <technologies><technology name=""/></technologies>+      <technologies>+        <technology name="">+          <attribute name="MPN" value="RY3750" constant="no"/>+          <attribute name="MANUFACTURER" value="RYCHIP" constant="no"/>+        </technology>+      </technologies>     </device>   </devices> </deviceset>